Craig Wright: scepticism surrounds bitcoin inventor's identification

Despite assertion by an Australian entrepreneur that he is Satoshi Nakamoto, critics demand technical proof

For years the identity of the pseudonymous Satoshi Nakamoto, creator of bitcoin, the world's leading digital currency, has eluded even the best cryptographers.

So when Craig Wright, an Australian computer scientist and entrepreneur, outed himself on Monday as the inventor of the cryptocurrency it seemed to be the end of a mystery that began with the first bitcoin in 2009.